.header {
	position: relative;
	background-color: white;
	padding: 3.73vw 2.8vw;
	text-align: center;
	font-size: 3.73vw;
	color: #555555;
}

.header .arrow-left {
	position: absolute;
	left: 2.8vw;
	width: 2.67vw;
	height: 4.67vw;
}
.frist{
	margin-left: 2.8vw;
}
.frist img{
	margin-top: 2.93vw;
	width:88.8vw;
}
.title{
	background-color: white;
	margin-bottom: 2.67vw;
	padding-bottom: 6.27vw;
}
.frist_t li img{
	width: 21.87vw;
	height:21.87vw;
}
.frist_t li{
	display: inline-block;
	margin-left: 1.9vw;
}
.frist_t{
	margin-top: 9.33vw;
}
.bg{
	background-color: #f4f4f4;
	padding-top: 0.23vw;
}
.chooes{
	background-color: white;
	text-align: center;
	font-size: 3.73vw;
	color: #333333;
	padding-bottom: 4.8vw;
}
.chooes-tilte{
	padding-top: 4.67vw;
	text-align: center;
	font-size: 3.73vw;
	color: #333333;
}
.chooes-first img{
	width: 93.47vw;
	margin-top: 4.8vw;
}
.text-one{
	text-align: left;
	margin-left: 2.67vw;
	font-size: 4vw;
	margin-top: 4.27vw;
	margin-bottom: 4.27vw;
	color: #333333;
}
.text-two{
	text-align: left;
	margin-left: 2.67vw;
	text-align: 3.47vw;
	color: #999999;
}
.box-1{
	width: 94vw;
	border: 0.1vw solid #f4f4f4;
	margin-left: 2.8vw;
	margin-top: 3.87vw;
	padding-bottom:8vw;
}
.box-2{
	border: 0.1vw solid #f4f4f4;
	width: 94vw;
	margin-left: 2.8vw;
	margin-top: 4.27vw;
	display: flex;
	justify-content: space-between;
}
.box-2 img{
	width: 30.67vw;
}
.box-2-top{
	font-size: 4vw;
	margin-top: 9.67vw;
	margin-left: 2.8vw;
	text-align: left;
}
.box-2-bottom{
	font-size: 3.2vw;
	color: #999999;
	text-align: left;
	margin-left: 2.8vw;
	margin-top: 2.93vw;
}
.box-3{
	margin-top: 2.67vw;
	background-color: white;
	padding-top: 4.67vw;
}
.box-3-title{
	margin-top: 4.67vw;
	text-align: center;
	font-size: 3.73vw;
	color: #333333;
	margin-bottom: 4.8vw;
}
.box-3-img img{
	width: 78.93vw;
}
.box-3-img{
	margin-left: 2.8vw;
	position: relative;
}
.box-3-text{
	position: absolute;
	top: 6.93vw;
	left: 0;
	width: 76.93vw;
	text-align: center;
}
.topic{
	font-size: 2.93vw;
	color: #999999;
}
.import{
	font-size: 4.0vw;
	color: #333333;
	margin-top: 6.53vw;
	margin-bottom: 4.93vw;
}
.content{
	margin: auto;
	width: 60.4vw;
	font-size: 2.93vw;
	color: #999999;
}
.box-4{
	padding-left: 2.8vw;
	margin-top: 3.87vw;
	padding-bottom:8vw;
	background-color: white;
}
.box-5{
	margin:2.67vw 0vw;
	background-color: white;
	text-align: center;
	padding-top: 4.8vw;
	color: #333333;
	font-size: 3.73vw;
}
.show{
	display: flex;
	background-color: white;
	padding-top: 2.67vw;
	padding-left: 5.47vw;
}
.photo-first img{
	width: 61.87vw;
}
.photo-two{
	margin-left: 1.33vw;
}
.photo-two img{
	width: 25.87vw;
}
.box-6{
	margin-top: 2.67vw;
	background-color: white;
	padding-bottom: 3.67vw;
}
.box-6 .introudce{
	margin: 4.5vw 5.73vw;
	background-color: white;
	font-size: 3.47vw;
	color: #333333;
}
.box-7{
	margin-top: 2.67vw;
	background-color: white;
	padding-top: 5.33vw;
	padding-left: 5.47vw;
	padding-bottom: 4.67vw;
}
.box-7 .box-7top img{
	width: 89.07vw;
}
.box-7 .box-7text{
	margin-top: 3.33vw;
	font-size: 3.47vw;
	color: #333333;
}
.bottom{
	width: 100vw;
	display: flex;
	justify-content: space-around;
	background-color: white;
	margin-top: 2vw;
	padding-top: 1vw;
	position: fixed;
	bottom: 0;
}
.tip img{
	width: 5.6vw;
	margin-left: 1vw;
}